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A resistance of 20 ohm is connected to a source of an alternating potential V=220 sin (100 πt). The time taken by the current to change from its peak value to r.m.s value is
Options
(a) 2.5 x 10⁻³ sec
(b) 0.25 sec
(c) 25 x 10⁻³ sec
(d) 2.5 sec
Correct Answer:
2.5 x 10⁻³ sec
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A hollow sphere of radius 0.1m has a charge of 5×10⁻⁸C. The potential
- A particle is executing SHM along a straight line. Its velocities at distances
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Topics: Alternating Current
(96)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A hollow sphere of radius 0.1m has a charge of 5×10⁻⁸C. The potential
- A particle is executing SHM along a straight line. Its velocities at distances
- A photoelectric surface is illuminated successively by monochromatic light of wavelength
- A particle is moving in a circle with uniform speed v. In moving from a point to another
- Which of the following figures represent the variation of particle momentum
Topics: Alternating Current (96)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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